Sentence examples for critical roadblocks from inspiring English sources

Clinical studies of HAdV-5-based gene therapy vectors, vaccines, and oncolytic viruses have shown safety and proof of activity in patients, but they also revealed critical roadblocks to therapeutic efficacy.

Finally we describe the critical roadblocks that must be addressed before this technology can fulfil its potential, including elucidating the mechanism by which the dECMs improve the expansion of primary MSCs and the identification of a readily available source of dECM.

But Trump has also hit some critical roadblocks.

Women are resourceful and creative problem solvers and often play an instrumental role in getting technical teams past critical roadblocks.

Trump's position is a critical roadblock to any negotiating.

The critical roadblock has been getting the drug from the bloodstream into the tumor.

Inefficient nuclear incorporation of foreign DNA remains a critical roadblock in the development of effective nonviral gene delivery systems.

A critical roadblock to the production of biofuels from lignocellulosic biomass is the efficient degradation of crystalline microfibrils of cellulose to glucose.

Accomplishing full, functional integration at the host-to-biomaterial interface has been a critical roadblock in engineering implants with performance similar to biological materials.

The critical roadblock to achieving this goal has not been the science as much as the lack of a sufficiently funded and focused effort to bring it to realization.

With President Clinton as their witness, hundreds of former Palestinian guerrilla fighters voted here today to rid their organization's charter of any clauses calling for the destruction of Israel, knocking down a critical roadblock on the rutted path to peace.